Lemon-Rosemary Pork Tenderloin

Ingredients

• 1 medium onion, finely chopped
• 2 tablespoons olive oil
• 1 tablespoon lemon juice
• 1 teaspoon minced fresh rosemary or 1/4 teaspoon dried rosemary, crushed
• 1 teaspoon minced fresh thyme or 1/4 teaspoon dried thyme
• 1 teaspoon grated lemon zest
• 1 garlic clove, minced
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 2 pork tenderloins (1 pound each)